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Toyota R&D shows off free piston engine linear generator for future EVs

We often hear how an electric vehicle powertrain architecture allows vehicle designers much more freedom than a traditional ICE powertrain does. With differently shaped battery modules and small electric motors, there are lots of way to put the pieces together. With today's plug-in hybrid technology, engineers still need to put a decent-sized ICE somewhere, but new technology from Toyota could free up the gas-electric vehicle designers of the future. Presented at the recent SAE World Congress in Detroit, the idea from Toyota Central R&D Labs Inc. and involves what is called a Free Piston Engine Linear Generator (FPEG). Think of it as a sort of one-cylinder, two-stroke mini-engine that can work either as a generator (thank to magnets and a linear coil) or to directly drive a vehicle. The current prototype is a 10-kW unit that Toyota say would provide enough power to get a B- or C-segment electric vehicle up to highway speeds (75 miles per hour) when paired up to offer 20 kW. Pairing the FPEGs is also important to minimize vibrations. One system tested by Toyota had a 42 percent thermal efficiency, but the engineers are working to improve the overall efficiency even further. You can watch an animated video of the piston in action here (click on "Outline") and see the SAE papers here and here. More technical details are available at Green Car Congress. News Source: Toyota Labs via Green Car CongressTip: Thanks, Joe V. Green Misc. Auto Shows Toyota Technology Emerging Technologies Electric generator

Toyota 86 and Subaru BRZ successor canceled?

Rumors indicate that the Toyota 86 is done for. Japanese Nostalgic Car is quoting Japanese sources as saying Toyota and Subaru have parted ways regarding the 86 and that the current car's replacement is off the table. According to JNC, the Japanese magazine Best Car is readying a report that the 86/BRZ successor has been canceled. JNC also considers the fact that in Japan, there will be a four-cylinder, 197-horsepower version of the new Supra, ready to continue where the 86 will leave the market. Back in 2016 the automaker seemingly confirmed that a replacement for the rear-drive car was under development, but plans can change and with a cheaper Supra version for sale in markets outside the U.S., we have to wonder if the 86 replacement has been shelved. The 86, while balanced, has only received mild enhancements and not a lot of extra power during its near-decade long time on the market, and it isn't such a strong seller that it would necessarily merit the effort of Toyota developing a successor on its own, particularly without the help of a partner like Subaru or BMW. At the same time, Autocar quotes Toyota boss Akio Toyoda on the Supra: "At the end of the day, is there anything better than a tight rear-wheel-drive sports car? I hope this won't be the last Toyota sports car you see from us in the future." While that is far from a solid statement of Toyota's future intent, it paves the way to offerings below the Supra, and shows how much the company boss cares about driver involvement. There is a distinct possibility that the company will re-introduce the MR2 as an electrified, rear-drive sports car – which could still be a joint venture with Subaru, as Japanese Nostalgic Car theorizes. Whatever's in the pipeline – and we hope there is something in the pipeline – it seems Toyota's heart is in the right place: driving the rear wheels. Related Video:

Recharge Wrap-up: 'Racing Extinction' Tesla, Wards praises 3 hybrids

The makers of Racing Extinction used a tricked out Tesla Model S for their movie. The artists and activists used the electric car as a platform to project images from nature in various cities to raise awareness about imperiled wildlife. In addition to a the high-powered projector, the Model S features a electroluminescent paint job that emits light to mimic creatures found in the wild, such as bioluminescent sea life. It also has a thermal imaging camera in the front of the car with a filter to view CO2 emissions. Check it out in the video above, and read more at Ecomento. WardsAuto has named the 2016 Hyundai Sonata Plug-In Hybrid's powertrain to its list of 10 Best Engines. As the first plug-in hybrid to make the list, WardsAuto World Editor-in-Chief Drew Winter praises Hyundai engineers for their "impeccable job blending fuel efficiency with refinement and daily usability." Wards notes the car's smooth transitions between electric and hybrid modes, and a well-connected six-speed automatic transmission. Other electrified vehicles to make the list are the 2016 Chevrolet Volt and 2016 Toyota Prius. Read more from Hyundai, at Green Car Reports. FEV's plug-in hybrid battery pack has gone into vehicle series production. The 10-kWh battery pack, developed by the German development services provider, offers an all-electric range of about 30 miles. FEV says its battery management algorithms are just as important as choosing the right battery hardware. "The core system for the battery development is our own mature battery management system (BMS), now in its third generation, that together with optimized algorithms allows a very reliable and stable control of the battery," says FEV's Dr. Michael Stapelbroek. Read more at Green Car Congress, or in the press release from FEV below. Hybrid Vehicle Goes Into Series Production FEV development competence consists of batteries, controls, as well as complete drive systems FEV has demonstrated competence in the development of alternative drive concepts for almost twenty years. Most recently, yet another plug-in hybrid vehicle has gone into series production with technology provided by the Aachen-based developer. In addition to using an innovative transmission concept which is based on a FEV patent, FEV also developed the battery technology of the plug-in hybrid vehicle to series production readiness.